Declassify

With European wines, the decision to place a wine in a category that is lower in status than seems appropriate given the quality of the wine. European wines may be declassified for a variety of reasons. In France, for example, wines that do not meet the strict requirements of AOC laws are declassified, usually to TABLE WINE.

This diagram demonstrates the workings of:

A. Pythagorean Wine Cup

B. Pascal’s Wine Cup

C. Newtonian Wine Cup

D. Archimedean Wine Cup

The idea of this ancient prank is deceptively simple: if you pour a moderate amount of wine in the cup, you can drink without incident. But if you pour above a certain point, the wine will all drain out through the stem before you’ve even had a sip. While it’s difficult to know for sure who the creator of this devious drinking vessel was, most scholars agree it was Pythagoras, the ancient Greek philosopher and mathematician who lived between 570 and 495 BCE. According to one legend, Pythagoras created the cup to punish his peers who greedily over-filled their cups of wine. Other theories suggest that he wished to remind people to drink in moderation. The design of the Pythagorean Cup features a small column in the middle of the cup’s bowl, directly over the hollow stem of the cup. The column conceals a U-shaped chamber leading from a hole at its base in the cup bowl, to the bottom of the stem. As the cup is being filled, the level of wine in both the bowl and the column rise equally. When the cup is filled beyond the height of the column, a siphon is created, pushing the wine from the cup into the column and out through the hole in the stem, draining the entire cup. Whew!

Come, send round the wine, and leave points of belief
To simpleton sages and reasoning fools;
This moment’s a flower too fair and brief
To be wither’d and stain’d by the dust of the schools.
Your glass may be purple, and mine may be blue,
But, while they are fill’d from the same bright bowl,
The fool who would quarrel for difference of hue,
Deserves not the comfort they shed o’er the soul.

—Thomas Moore (1779-1852), Irish poet, from Irish Melodies, Vol. II

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